Update language to comply with Android's inclusive language guidance

See https://source.android.com/setup/contribute/respectful-code for reference

Bug: 162536543
Test: gradlew test
Change-Id: I5213944373c8cc73b6129c255f934601a7e3a860
Merged-In: I5213944373c8cc73b6129c255f934601a7e3a860
diff --git a/src/main/java/com/android/apksig/DefaultApkSignerEngine.java b/src/main/java/com/android/apksig/DefaultApkSignerEngine.java
index ceb8bb5..c108191 100644
--- a/src/main/java/com/android/apksig/DefaultApkSignerEngine.java
+++ b/src/main/java/com/android/apksig/DefaultApkSignerEngine.java
@@ -506,9 +506,9 @@
     @Override
     @SuppressWarnings("AndroidJdkLibsChecker")
     public Set<String> initWith(byte[] manifestBytes, Set<String> entryNames) {
-        V1SchemeVerifier.Result dummyResult = new V1SchemeVerifier.Result();
+        V1SchemeVerifier.Result result = new V1SchemeVerifier.Result();
         Pair<ManifestParser.Section, Map<String, ManifestParser.Section>> sections =
-                V1SchemeVerifier.parseManifest(manifestBytes, entryNames, dummyResult);
+                V1SchemeVerifier.parseManifest(manifestBytes, entryNames, result);
         String alg = V1SchemeSigner.getJcaMessageDigestAlgorithm(mV1ContentDigestAlgorithm);
         for (Map.Entry<String, ManifestParser.Section> entry : sections.getSecond().entrySet()) {
             String entryName = entry.getKey();
diff --git a/src/main/java/com/android/apksig/internal/apk/ApkSigningBlockUtils.java b/src/main/java/com/android/apksig/internal/apk/ApkSigningBlockUtils.java
index e8f6fc0..b91ccd8 100644
--- a/src/main/java/com/android/apksig/internal/apk/ApkSigningBlockUtils.java
+++ b/src/main/java/com/android/apksig/internal/apk/ApkSigningBlockUtils.java
@@ -843,7 +843,7 @@
         //     uint64:           size (excluding this field)
         //     uint32:           ID
         //     (size - 4) bytes: value
-        // (extra dummy ID-value for padding to make block size a multiple of 4096 bytes)
+        // (extra placeholder ID-value for padding to make block size a multiple of 4096 bytes)
         // uint64:  size (same as the one above)
         // uint128: magic
 
diff --git a/src/test/java/com/android/apksig/internal/util/VerityTreeBuilderTest.java b/src/test/java/com/android/apksig/internal/util/VerityTreeBuilderTest.java
index 85e9e90..8396d76 100644
--- a/src/test/java/com/android/apksig/internal/util/VerityTreeBuilderTest.java
+++ b/src/test/java/com/android/apksig/internal/util/VerityTreeBuilderTest.java
@@ -79,7 +79,7 @@
         return DataSources.asDataSource(ByteBuffer.wrap(data.getBytes(UTF_8)));
     }
 
-    @Test public void generateVerityTreeRootHashFromDummyDataSource() throws Exception {
+    @Test public void generateVerityTreeRootHashFromPlaceholderDataSource() throws Exception {
         // This sample was taken from src/test/resources/com/android/apksig/original.apk.
         byte[] sampleEoCDFromDisk = new byte[] {
             0x50, 0x4b, 0x05, 0x06, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x06, 0x00, 0x79, 0x01,